gently inclined medium-thickness seam mining metho

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美 [gently inclined medium-thickness seam mining metho]

中文释义

[矿业] 缓倾斜中厚煤层采煤法

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单词结构：

gently inclined medium-thickness seam mining metho

字母数：50

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  • 单词拼写：gently inclined medium-thickness seam mining metho
  • 核心含义：[矿业] 缓倾斜中厚煤层采煤法

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更新时间：2025-12-09 18:30:25